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Furnace Service, AFUE and What They Mean for You in Lexington

Curious temperature changes and the hope of early spring can let us down as we wait until the end of the cold season. With the unpredictable weather this time of year, it’s crucial to make sure that your furnace service is complete and that your furnace is set for any weather swing. Part of possessing and utilizing a furnace is understanding the system and knowing when it might need repair or maintenance. A furnace’s AFUE (Annual Furnace Utilization Efficiency) is an important measurement to recognize and can disclose to you what kind of efficiency you can look for from your system. If you are unsure of your AFUE, this percentage can be determined at your next furnace maintenance appointment from one of our specialists at James Heating & A/C, Inc.

So, what does this AFUE rating mean for you? What sorts of things should you consider with AFUE?


  • The older your furnace is, the smaller its AFUE will also be. This means reduced energy efficiency than with a new furnace every winter when your system is in use.
  • Think about your AFUE percentage with regard to money – if your AFUE is 75%, that means that for every $100 you devote to heating your home, only $75 is taken to heat your home.

Considering the age of your furnace and the likelihood of overspending on your heating costs has hopefully offered some perception into the significance of your furnace’s AFUE. There are many things that go into selecting a new furnace or remaining with your furnace service plan. Over time though, smaller efficiency levels can radically effect your energy usage, monthly bills and comfort. Don’t overlook the AFUE rating of your furnace and think of it when deciding whether it’s time for furnace replacement.

If you have any further uncertainties about furnaces, or you just want some help verifying the AFUE rating of your present furnace, give our experts at James Heating & A/C, Inc a call at 336-853-6070 or schedule an appointment with us online.